Moving Squares

Hey Everyone, 

I've been faced with an interesting programming challenge by my designer and I thought I would throw it out to everyone on the forum to see if there are any better suggestions than what I was planning. 

Relevant rig information: EOS console and VL3500Q Fixtures. 

What the designer has requested is a moving square of light that will maintain its shape and axis as it moves in a straight line. She would like this to be accomplished with 2 of the 3500's which are hung about 3' DS of where the effect needs to take place. So having the lights move on 1 axis of motion is not an option. What is happening right now is in Q1 there is a square SL and in Q2 a square SR. The transition between the two is taking the path of least resistance and creating a rotating arc of a square across the stage. 

My current thought is to add enough point cues as references between point A and point B in which I will rotate the shutter assembly and angles so that the square remains consistant. However, I am sure that someone has tried to do this before and I was wondering if this was indeed the best option, or if I am missing a better option. 

Thanks!

-Mike Berger

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  • Hi Mike,

    Have you tried separating Pan and Tilt into different parts of the cue and giving them different times.

    In my head, if I'm right in thinking, each mover is directly 3' DS of the Square so you would want Pan to move quicker than the Tilt.

    The trouble is you don't actually want the Pan to complete before the Tilt so I think it's actually to do with the curve of the focus move, pan quickly at the start and slowing down towards the end, tilt vice verser.

     

    I hope this might help. That's what I'd try.

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  • Hi Mike,

    Have you tried separating Pan and Tilt into different parts of the cue and giving them different times.

    In my head, if I'm right in thinking, each mover is directly 3' DS of the Square so you would want Pan to move quicker than the Tilt.

    The trouble is you don't actually want the Pan to complete before the Tilt so I think it's actually to do with the curve of the focus move, pan quickly at the start and slowing down towards the end, tilt vice verser.

     

    I hope this might help. That's what I'd try.

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